[PATCH] D112160: [MachO] Port call graph profile section and directive

[Leonard Grey via Phabricator via llvm-commits]

lgrey created this revision.
lgrey added reviewers: MaskRay, Bigcheese.
Herald added subscribers: rupprecht, hiraditya.
Herald added a reviewer: jhenderson.
lgrey requested review of this revision.
Herald added a project: LLVM.

This ports the .cg_profile assembly directive and call graph profile section generation to MachO from COFF/ELF. Due to MachO section naming rules, the section is called __LLVM,__cg_profile rather than .llvm.call-graph-profile as in COFF/ELF. Support for llvm-readobj is included to facilitate testing.

Corresponding LLD change is incoming, will link when it's up.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D112160

Files:
  llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
  llvm/lib/MC/MCMachOStreamer.cpp
  llvm/lib/MC/MCParser/DarwinAsmParser.cpp
  llvm/lib/MC/MachObjectWriter.cpp
  llvm/test/MC/MachO/cgprofile.ll
  llvm/test/MC/MachO/cgprofile.s
  llvm/tools/llvm-readobj/MachODumper.cpp
  llvm/tools/llvm-readobj/llvm-readobj.cpp

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